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Check out my latest Eugene Daily News Weather Or Not Column Ahoy There, Matey!

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And don’t forget my latest feature story in the continuing series on service club organizations called “Buffalo Isn’t Only Known For Its Wings.”

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Here is my new weekly weather quiz question. What is “anomalous propagation?” Please remember to post your answer as a comment by clicking on “no comments /comments” in the upper right hand portion of this page under the caption, then add your comment. The first person to post the correct answer will win a week of free personalized weather forecasts tailored to your needs. The answer has to be a comment to win. An email answer will not count. Good luck.

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An upper level high pressure ridge (Shaded “Arch” shape with blue arrows) will slowly move eastward away from us. The offshore airflow will switch to onshore bringing more clouds our way. A frontal system will bring the chance of rain between Friday and Saturday.

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Advisories:

• THE HEALTH ADVISORIES ISSUED FOR THE PRESENCE OF BLUE-GREEN ALGAE IN CULLABY LAKE JUST OFF HWY 101 BETWEEN ASTORIA AND SEASIDE IN CLATSOP COUNTY OREGON, WALTERVILLE POND IN LANE COUNTY AND THE LOWER WILLAMETTE RIVER FROM THE SOUTH END OF ROSS ISLAND DOWNSTREAM TO THE SOUTH END OF SAUVIE ISLAND IN MULTNOMA COUNTY  HAVE BEEN LIFTED.
• A HEALTH ADVISORY CONTINUES FOR THE PRESENCE OF BLUE-GREEN ALGAE  IN WICKIUP RESERVOIR IN DESCHUTES COUNTY, 40 MILES SW OF BEND, FOR TENMILE LAKES IN COOS COUNTY, AND AT DEVILS LAKE IN LINCOLN COUNTY. THE TOXIC ALGAE BLOOM MEANS THAT PEOPLE SHOULD NOT DRINK OR HAVE DIRECT CONTACT WITH THE AFFECTED WATER AND THAT ALSO GOES FOR ANY PETS.

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Air Quality Index:

Eugene-Springfield: The Air Quality Index is 52 in the Moderate category measuring Particulate Matter at HWY 99, Eugene. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

Oakridge: The Air Quality Index is 18 in the Good category measuring Particulate Matter at Willamette Activity Center, Oakridge. Data courtesy of Lane Regional Air Protection Agency (LRAPA)

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Forecast for the Southern and lower Mid Willamette Valley including Eugene-Springfield and Albany-Corvallis:

• Mostly clear with patchy fog late tonight,
• Areas of fog Wednesday AM, partly cloudy and cooler in the afternoon, partly cloudy with patchy fog late Wednesday night,
• Patchy AM fog, a mix of clouds and sun Thursday afternoon, partly cloudy at night,
• Mostly cloudy with a slight (20%) chance of rain Friday, then a (40%) chance of rain at night.
• lows 53-50 highs 78-70.
• Mostly cloudy with a good (50%) chance of rain Saturday and Saturday night,
• Cloudy with rain likely (70%) Sunday through Monday (Columbus Day) and Monday night,
• Mostly cloudy with showers likely (70%) Tuesday.
• highs 73-64 lows 52-54 cooling back to 52 Monday night. (seasonal averages high 69 low 43).

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Forecast for the Umpqua Basin including Roseburg:

• Mostly clear this evening, partly cloudy with patchy fog tonight and Wednesday AM, sunny in the afternoon, mostly clear with patchy fog late at night,
• Partly cloudy with patchy AM fog, sunny Thursday afternoon, mostly clear at night,
• Sunny Friday, mostly clear in the evening, then mostly cloudy with a slight (20%) chance of rain late Friday night.
• lows 52-50 highs 80-76.
• Mostly cloudy with a slight (20%) chance of rain Saturday AM, mostly cloudy in the afternoon and Saturday night,
• Mostly cloudy with a slight (20%) chance of rain Sunday afternoon, cloudy with a good (50%) chance of rain Sunday night and Monday AM (Columbus Day), rain likely (70%) in the afternoon, then showers likely (60%) Monday night and Tuesday.
• highs 76-64 lows 50-52. (seasonal averages high 71 low 46)

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Forecast for the South Oregon Coast including Coos Bay and North Bend:

• Partly cloudy this evening, mostly cloudy with patchy fog late tonight,
• Mostly cloudy with patchy AM fog inland and patchy fog at the shore Wednesday AM and sunny with lingering coastal fog in the afternoon while patchy AM fog inland and sunny in the afternoon, partly cloudy in the evening, mostly cloudy with patchy coastal fog at night while patchy fog late at night inland,
• Mostly cloudy with patchy AM fog, mostly sunny Thursday afternoon, party cloudy at night,
• Mostly cloudy with a slight (20%) chance of showers Friday AM, mostly sunny in the afternoon with a slight (20%) chance of showers, mostly cloudy with a slight (20%) chance of rain Friday night.
• lows 55-53 highs 67-63.
• Mostly cloudy with a slight (20%) chance of rain Saturday through Sunday, cloudy with a good (50%) chance of rain Sunday night.
• Cloudy with a good (50%) chance of rain Monday AM (Columbus Day), rain likely (70%) in the afternoon, then mostly cloudy with showers likely (70%) Monday night and Tuesday.
• highs 69-60 lows near 55. (seasonal averages high 62 low 47)

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Forecast for the Cascades in Lane County:

• Mostly clear tonight,
• Mostly sunny Wednesday, partly cloudy and cooler at night,
• Partly cloudy Thursday and Thursday night,
• A mix of clouds and sun with a slight (20%) chance of rain Friday afternoon, mostly cloudy with a (40%) chance of rain Friday night.
• free air freezing level 13,000 ft. tonight, 12,000 ft. Wednesday, 11,000 ft. Wednesday night through Thursday night, snow level above 8,000 ft. Friday and Friday night.
• lows 45-42 highs 72-64.
• Mostly cloudy with a good (50%) chance of rain Saturday and Saturday night,
• Cloudy with rain likely (70%) Sunday through Monday (Columbus Day) and at night,
• Then showers likely (70%) Tuesday.
• snow level above 8,000 ft. Saturday through Monday night, 6,500 ft. Tuesday.
• highs 59-52 lows 40-43 cooling back to 40 Monday night.

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**Because weather forecasting is a combination of science, intuition, and timing there can be no absolute guarantees that individual forecasts will be 100% accurate. Nature is in a constant state of flux and sudden unexpected weather events can happen.

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Get your local Eugene-Springfield and Lane County news on-line at EugeneDailyNews.com.

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